

Stainless steel pipe
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Stainless steel decorative tube contains stainless steel tube stainless steel square tube. Stainless steel decorative pipe is a kind of hollow strip steel, which is widely used as a pipeline for conveying fluid, such as oil, natural gas, water, gas, steam, etc., in addition, when bending and torsional strength are the same, the weight is lighter, so It is also widely used in the manufacture of mechanical parts and engineering structures. It is also commonly used for the production of various regular weapons, barrels, shells, etc.
For steel pipes subjected to fluid pressure, hydraulic test shall be carried out to check their pressure resistance and quality. No leakage, wetting or expansion shall be considered as qualified under the specified pressure. Some steel pipes shall be subject to crimping test, flaring test and flattening test according to the standard or requirements of the demander.
Seamless stainless steel pipe, also known as stainless steel seamless pipe, is made of steel ingot or solid tube blank through perforation into capillary, and then made by hot rolling, cold rolling or cold dial. The specification of seamless steel pipe is expressed in millimeters of outer diameter * wall thickness.
304 stainless steel pipe full name SUS304 stainless steel pipe
SUS304 stainless steel pipe belongs to the American grade stainless steel pipe, the domestic grade is equivalent to 0Cr19Ni9 stainless steel pipe, usually replaced by 0Cr18Ni9. The mechanism of stainless steel rust is the formation of dense oxide film alloy elements, isolated oxygen contact, to prevent continued oxidation. So stainless steel is not "stainless".
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